/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */

package org.apache.qpid.client.security.oauth2;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;

import org.apache.qpid.client.security.AMQCallbackHandler;
import org.apache.qpid.jms.ConnectionURL;

public class OAuth2AccessTokenCallbackHandler implements AMQCallbackHandler
{
    private ConnectionURL _connectionURL;

    @Override
    public void initialise(ConnectionURL connectionURL)
    {
        _connectionURL = connectionURL;
    }

    @Override
    public void handle(Callback[] callbacks) throws UnsupportedCallbackException
    {
        for(Callback cb : callbacks)
        {
            if (cb instanceof PasswordCallback)
            {
                ((PasswordCallback) cb).setPassword(_connectionURL.getPassword().toCharArray());
            }
            else
            {
                throw new UnsupportedCallbackException(cb);
            }
        }
    }
}
